Progress in Cryptology - AFRICACRYPT 2025

.- Homomorphic Encryption. .- Convolution-Friendly Image Compression with FHE. .- Leveled Homomorphic Encryption over Composite Groups. .- Activate Me!: Designing Efficient Activation Functions for Privacy-Preserving Machine Learning with Fully Homomorphic Encryption. .- One-Way Homomorphic Encryption: A Composite Group Approach. .- Cryptanalysis of RSA. .- A Novel Partial Key Exposure Attack on Common Prime RSA. .- Improved Cryptanalysis of an RSA Variant Based on Cubic Pell Curve. .- A New Generalized Attack on RSA-like Cryptosystems. .- Cryptography Arithmetic. .- An Improvement of the Congruence Solver of Lattice Isomorphism Problem over Totally Real Number Fields and Applications. .- PMNS arithmetic for elliptic curve cryptography. .- Constant-time Integer Arithmetic for SQIsign. .- FPTRU:Optimization of NTRU-Prime and TLS Performance Assessment. .- Side-channel Attacks. .- Simple Power Analysis Attack on SQIsign. .- Correlation power analysis of LESS and CROSS. .- TPL: Power Leakage Model Based on Technology Library. .- Designs. .- Bivariate proximity test-based Asynchronous Verifiable Secret Sharing. .- Behemoth: transparent polynomial commitment scheme with constant opening proof size and verifier time. .- Attribute-based Encryption using Sum-Product Decomposition of Boolean Functions. .- Simultaneously simple universal and indifferentiable hashing to elliptic curves. .- Cryptanalysis. .- Conjunctive Dynamic SSE Schemes under Scrutiny: Exposing Privacy Issues in SDSSE-CQ-S and VCDSSE. .- Efficient and Optimized Modeling of S-Boxes. .- Tearing Solutions for Tree Traversal in Stateful Hash-based Cryptography.